---> uname -a: Linux prd-centos8-docker-8c-8g-3989.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-7 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1054 27220 19 3614 30376 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:6e:2d:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.111/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe6e:2d65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:72:a6:ee brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:59ff:fe72:a6ee/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/22/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 230.99 14.48 216.51 3200.13 11271.54 05:14:01 PM 444.81 6.42 438.39 1208.07 16405.10 05:15:01 PM 181.52 3.32 178.21 443.99 40554.25 Average: 285.77 8.07 277.70 1617.42 22743.98 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29155784 31085352 3499928 10.72 2688 2245184 1605316 4.76 189284 2843140 182904 05:14:01 PM 27572720 30026156 5082992 15.57 2688 2758312 2366788 7.02 401656 4165740 282944 05:15:01 PM 27905916 31135112 4749796 14.55 2688 3525568 1504572 4.46 812936 3395796 165020 Average: 28211473 30748873 4444239 13.61 2688 2843021 1825559 5.42 467959 3468225 210289 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 241.74 205.18 2553.41 51.86 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 624.90 518.43 7550.63 65.98 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 424.73 390.62 4039.09 2380.30 0.00 0.00 0.00 0.00 05:15:01 PM docker0 8.03 15.83 0.58 257.72 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 430.44 371.40 4714.22 832.76 0.00 0.00 0.00 0.00 Average: docker0 2.68 5.28 0.19 85.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/22/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 14.72 0.00 1.39 0.76 0.06 83.07 05:13:01 PM 0 7.05 0.00 0.89 0.43 0.07 91.56 05:13:01 PM 1 18.65 0.00 1.29 0.52 0.05 79.50 05:13:01 PM 2 10.66 0.00 1.24 1.46 0.07 86.58 05:13:01 PM 3 18.62 0.00 1.75 1.00 0.08 78.54 05:13:01 PM 4 15.12 0.00 1.15 0.22 0.05 83.46 05:13:01 PM 5 11.56 0.00 1.34 0.57 0.05 86.49 05:13:01 PM 6 10.98 0.00 0.52 0.40 0.07 88.03 05:13:01 PM 7 25.09 0.00 2.93 1.47 0.07 70.45 05:14:01 PM all 28.33 0.00 1.87 1.38 0.09 68.32 05:14:01 PM 0 40.87 0.00 1.24 0.64 0.10 57.16 05:14:01 PM 1 19.45 0.00 1.79 1.32 0.10 77.33 05:14:01 PM 2 36.70 0.00 2.41 1.61 0.10 59.18 05:14:01 PM 3 32.11 0.00 1.74 1.21 0.08 64.86 05:14:01 PM 4 17.14 0.00 1.78 0.91 0.08 80.10 05:14:01 PM 5 28.30 0.00 1.48 0.50 0.08 69.63 05:14:01 PM 6 28.22 0.00 2.48 3.46 0.10 65.73 05:14:01 PM 7 23.88 0.00 2.04 1.37 0.10 72.60 05:15:01 PM all 16.64 0.00 2.54 1.11 0.07 79.64 05:15:01 PM 0 18.43 0.00 2.59 1.93 0.08 76.97 05:15:01 PM 1 19.99 0.00 3.10 1.16 0.07 75.68 05:15:01 PM 2 17.77 0.00 2.26 0.89 0.07 79.01 05:15:01 PM 3 19.31 0.00 2.36 0.84 0.07 77.42 05:15:01 PM 4 19.25 0.00 3.14 1.63 0.08 75.90 05:15:01 PM 5 12.39 0.00 2.17 1.24 0.07 84.14 05:15:01 PM 6 17.83 0.00 2.87 1.16 0.05 78.09 05:15:01 PM 7 8.12 0.00 1.81 0.05 0.08 89.93 Average: all 19.89 0.00 1.93 1.08 0.08 77.02 Average: 0 22.11 0.00 1.57 1.00 0.08 75.24 Average: 1 19.36 0.00 2.06 1.00 0.07 77.51 Average: 2 21.71 0.00 1.97 1.32 0.08 74.92 Average: 3 23.34 0.00 1.95 1.02 0.08 73.61 Average: 4 17.17 0.00 2.02 0.92 0.07 79.82 Average: 5 17.41 0.00 1.66 0.77 0.07 80.09 Average: 6 19.00 0.00 1.96 1.67 0.07 77.30 Average: 7 19.04 0.00 2.26 0.97 0.08 77.65